// var hexcase = 0;  
// var b64pad  = ""; 
// var chrsz   = 8;  
// function hex_md5(s){ return binl2hex(core_md5(str2binl(s), s.length * chrsz));}
// function b64_md5(s){ return binl2b64(core_md5(str2binl(s), s.length * chrsz));}
// function hex_hmac_md5(key, data) { return binl2hex(core_hmac_md5(key, data)); }
// function b64_hmac_md5(key, data) { return binl2b64(core_hmac_md5(key, data)); }
// function calcMD5(s){ return binl2hex(core_md5(str2binl(s), s.length * chrsz));}

// function md5_vm_test()
// {
//   return hex_md5("abc") == "900150983cd24fb0d6963f7d28e17f72";
// }

// function core_md5(x, len)
// {

//   x[len >> 5] |= 0x80 << ((len) % 32);
//   x[(((len + 64) >>> 9) << 4) + 14] = len;
//   var a =  1732584193;
//   var b = -271733879;
//   var c = -1732584194;
//   var d =  271733878;
//   for(var i = 0; i < x.length; i += 16)
//   {
//     var olda = a;
//     var oldb = b;
//     var oldc = c;
//     var oldd = d;

//     a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936);
//     d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586);
//     c = md5_ff(c, d, a, b, x[i+ 2], 17,  606105819);
//     b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);
//     a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);
//     d = md5_ff(d, a, b, c, x[i+ 5], 12,  1200080426);
//     c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341);
//     b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983);
//     a = md5_ff(a, b, c, d, x[i+ 8], 7 ,  1770035416);
//     d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417);
//     c = md5_ff(c, d, a, b, x[i+10], 17, -42063);
//     b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162);
//     a = md5_ff(a, b, c, d, x[i+12], 7 ,  1804603682);
//     d = md5_ff(d, a, b, c, x[i+13], 12, -40341101);
//     c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290);
//     b = md5_ff(b, c, d, a, x[i+15], 22,  1236535329);
//     a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510);
//     d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632);
//     c = md5_gg(c, d, a, b, x[i+11], 14,  643717713);
//     b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);
//     a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);
//     d = md5_gg(d, a, b, c, x[i+10], 9 ,  38016083);
//     c = md5_gg(c, d, a, b, x[i+15], 14, -660478335);
//     b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848);
//     a = md5_gg(a, b, c, d, x[i+ 9], 5 ,  568446438);
//     d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690);
//     c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961);
//     b = md5_gg(b, c, d, a, x[i+ 8], 20,  1163531501);
//     a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);
//     d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);
//     c = md5_gg(c, d, a, b, x[i+ 7], 14,  1735328473);
//     b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734);
//     a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558);
//     d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463);
//     c = md5_hh(c, d, a, b, x[i+11], 16,  1839030562);
//     b = md5_hh(b, c, d, a, x[i+14], 23, -35309556);
//     a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);
//     d = md5_hh(d, a, b, c, x[i+ 4], 11,  1272893353);
//     c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632);
//     b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640);
//     a = md5_hh(a, b, c, d, x[i+13], 4 ,  681279174);
//     d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222);
//     c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979);
//     b = md5_hh(b, c, d, a, x[i+ 6], 23,  76029189);
//     a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487);
//     d = md5_hh(d, a, b, c, x[i+12], 11, -421815835);
//     c = md5_hh(c, d, a, b, x[i+15], 16,  530742520);
//     b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651);
//     a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844);
//     d = md5_ii(d, a, b, c, x[i+ 7], 10,  1126891415);
//     c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905);
//     b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055);
//     a = md5_ii(a, b, c, d, x[i+12], 6 ,  1700485571);
//     d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606);
//     c = md5_ii(c, d, a, b, x[i+10], 15, -1051523);
//     b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799);
//     a = md5_ii(a, b, c, d, x[i+ 8], 6 ,  1873313359);
//     d = md5_ii(d, a, b, c, x[i+15], 10, -30611744);
//     c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380);
//     b = md5_ii(b, c, d, a, x[i+13], 21,  1309151649);
//     a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070);
//     d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379);
//     c = md5_ii(c, d, a, b, x[i+ 2], 15,  718787259);
//     b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551);

//     a = safe_add(a, olda);
//     b = safe_add(b, oldb);
//     c = safe_add(c, oldc);
//     d = safe_add(d, oldd);
//   }
//   return Array(a, b, c, d);
  
// }

// function md5_cmn(q, a, b, x, s, t)
// {
//   return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b);
// }
// function md5_ff(a, b, c, d, x, s, t)
// {
//   return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
// }
// function md5_gg(a, b, c, d, x, s, t)
// {
//   return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
// }
// function md5_hh(a, b, c, d, x, s, t)
// {
//   return md5_cmn(b ^ c ^ d, a, b, x, s, t);
// }
// function md5_ii(a, b, c, d, x, s, t)
// {
//   return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
// }

// function core_hmac_md5(key, data)
// {
//   var bkey = str2binl(key);
//   if(bkey.length > 16) bkey = core_md5(bkey, key.length * chrsz);

//   var ipad = Array(16), opad = Array(16);
//   for(var i = 0; i < 16; i++) 
//   {
//     ipad[i] = bkey[i] ^ 0x36363636;
//     opad[i] = bkey[i] ^ 0x5C5C5C5C;
//   }

//   var hash = core_md5(ipad.concat(str2binl(data)), 512 + data.length * chrsz);
//   return core_md5(opad.concat(hash), 512 + 128);
// }

// function safe_add(x, y)
// {
//   var lsw = (x & 0xFFFF) + (y & 0xFFFF);
//   var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
//   return (msw << 16) | (lsw & 0xFFFF);
// }

// function bit_rol(num, cnt)
// {
//   return (num << cnt) | (num >>> (32 - cnt));
// }

// function str2binl(str)
// {
//   var bin = Array();
//   var mask = (1 << chrsz) - 1;
//   for(var i = 0; i < str.length * chrsz; i += chrsz)
//     bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (i%32);
//   return bin;
// }

// function binl2hex(binarray)
// {
//   var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
//   var str = "";
//   for(var i = 0; i < binarray.length * 4; i++)
//   {
//     str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) +
//            hex_tab.charAt((binarray[i>>2] >> ((i%4)*8  )) & 0xF);
//   }
//   return str;
// }

// function binl2b64(binarray)
// {
//   var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
//   var str = "";
//   for(var i = 0; i < binarray.length * 4; i += 3)
//   {
//     var triplet = (((binarray[i   >> 2] >> 8 * ( i   %4)) & 0xFF) << 16)
//                 | (((binarray[i+1 >> 2] >> 8 * ((i+1)%4)) & 0xFF) << 8 )
//                 |  ((binarray[i+2 >> 2] >> 8 * ((i+2)%4)) & 0xFF);
//     for(var j = 0; j < 4; j++)
//     {
//       if(i * 8 + j * 6 > binarray.length * 32) str += b64pad;
//       else str += tab.charAt((triplet >> 6*(3-j)) & 0x3F);
//     }
//   }
//   return str;
// }


/* 
 * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message 
 * Digest Algorithm, as defined in RFC 1321. 
 * Version 1.1 Copyright (C) Paul Johnston 1999 - 2002. 
 * Code also contributed by Greg Holt 
 * See http://pajhome.org.uk/site/legal.html for details. 
 */  
  
/* 
 * Add integers, wrapping at 2^32. This uses 16-bit operations internally 
 * to work around bugs in some JS interpreters. 
 */  
// --------------------------------------------------------------------------------------------------------------------------------------------------------------------------
// function safe_add(x, y)  
// {  
//  var lsw = (x & 0xFFFF) + (y & 0xFFFF)  
//  var msw = (x >> 16) + (y >> 16) + (lsw >> 16)  
//  return (msw << 16) | (lsw & 0xFFFF)  
// }  
  
// /* 
//  * Bitwise rotate a 32-bit number to the left. 
//  */  
// function rol(num, cnt)  
// {  
//  return (num << cnt) | (num >>> (32 - cnt))  
// }  
  
// /* 
//  * These functions implement the four basic operations the algorithm uses. 
//  */  
// function cmn(q, a, b, x, s, t)  
// {  
//  return safe_add(rol(safe_add(safe_add(a, q), safe_add(x, t)), s), b)  
// }  
// function ff(a, b, c, d, x, s, t)  
// {  
//  return cmn((b & c) | ((~b) & d), a, b, x, s, t)  
// }  
// function gg(a, b, c, d, x, s, t)  
// {  
//  return cmn((b & d) | (c & (~d)), a, b, x, s, t)  
// }  
// function hh(a, b, c, d, x, s, t)  
// {  
//  return cmn(b ^ c ^ d, a, b, x, s, t)  
// }  
// function ii(a, b, c, d, x, s, t)  
// {  
//  return cmn(c ^ (b | (~d)), a, b, x, s, t)  
// }  
  
// /* 
//  * Calculate the MD5 of an array of little-endian words, producing an array 
//  * of little-endian words. 
//  */  
// function coreMD5(x)  
// {  
//  var a = 1732584193  
//  var b = -271733879  
//  var c = -1732584194  
//  var d = 271733878  
  
//  for(var i = 0; i < x.length; i += 16)  
//  {  
//   var olda = a  
//   var oldb = b  
//   var oldc = c  
//   var oldd = d  
  
//   a = ff(a, b, c, d, x[i+ 0], 7 , -680876936)  
//   d = ff(d, a, b, c, x[i+ 1], 12, -389564586)  
//   c = ff(c, d, a, b, x[i+ 2], 17, 606105819)  
//   b = ff(b, c, d, a, x[i+ 3], 22, -1044525330)  
//   a = ff(a, b, c, d, x[i+ 4], 7 , -176418897)  
//   d = ff(d, a, b, c, x[i+ 5], 12, 1200080426)  
//   c = ff(c, d, a, b, x[i+ 6], 17, -1473231341)  
//   b = ff(b, c, d, a, x[i+ 7], 22, -45705983)  
//   a = ff(a, b, c, d, x[i+ 8], 7 , 1770035416)  
//   d = ff(d, a, b, c, x[i+ 9], 12, -1958414417)  
//   c = ff(c, d, a, b, x[i+10], 17, -42063)  
//   b = ff(b, c, d, a, x[i+11], 22, -1990404162)  
//   a = ff(a, b, c, d, x[i+12], 7 , 1804603682)  
//   d = ff(d, a, b, c, x[i+13], 12, -40341101)  
//   c = ff(c, d, a, b, x[i+14], 17, -1502002290)  
//   b = ff(b, c, d, a, x[i+15], 22, 1236535329)  
  
//   a = gg(a, b, c, d, x[i+ 1], 5 , -165796510)  
//   d = gg(d, a, b, c, x[i+ 6], 9 , -1069501632)  
//   c = gg(c, d, a, b, x[i+11], 14, 643717713)  
//   b = gg(b, c, d, a, x[i+ 0], 20, -373897302)  
//   a = gg(a, b, c, d, x[i+ 5], 5 , -701558691)  
//   d = gg(d, a, b, c, x[i+10], 9 , 38016083)  
//   c = gg(c, d, a, b, x[i+15], 14, -660478335)  
//   b = gg(b, c, d, a, x[i+ 4], 20, -405537848)  
//   a = gg(a, b, c, d, x[i+ 9], 5 , 568446438)  
//   d = gg(d, a, b, c, x[i+14], 9 , -1019803690)  
//   c = gg(c, d, a, b, x[i+ 3], 14, -187363961)  
//   b = gg(b, c, d, a, x[i+ 8], 20, 1163531501)  
//   a = gg(a, b, c, d, x[i+13], 5 , -1444681467)  
//   d = gg(d, a, b, c, x[i+ 2], 9 , -51403784)  
//   c = gg(c, d, a, b, x[i+ 7], 14, 1735328473)  
//   b = gg(b, c, d, a, x[i+12], 20, -1926607734)  
  
//   a = hh(a, b, c, d, x[i+ 5], 4 , -378558)  
//   d = hh(d, a, b, c, x[i+ 8], 11, -2022574463)  
//   c = hh(c, d, a, b, x[i+11], 16, 1839030562)  
//   b = hh(b, c, d, a, x[i+14], 23, -35309556)  
//   a = hh(a, b, c, d, x[i+ 1], 4 , -1530992060)  
//   d = hh(d, a, b, c, x[i+ 4], 11, 1272893353)  
//   c = hh(c, d, a, b, x[i+ 7], 16, -155497632)  
//   b = hh(b, c, d, a, x[i+10], 23, -1094730640)  
//   a = hh(a, b, c, d, x[i+13], 4 , 681279174)  
//   d = hh(d, a, b, c, x[i+ 0], 11, -358537222)  
//   c = hh(c, d, a, b, x[i+ 3], 16, -722521979)  
//   b = hh(b, c, d, a, x[i+ 6], 23, 76029189)  
//   a = hh(a, b, c, d, x[i+ 9], 4 , -640364487)  
//   d = hh(d, a, b, c, x[i+12], 11, -421815835)  
//   c = hh(c, d, a, b, x[i+15], 16, 530742520)  
//   b = hh(b, c, d, a, x[i+ 2], 23, -995338651)  
  
//   a = ii(a, b, c, d, x[i+ 0], 6 , -198630844)  
//   d = ii(d, a, b, c, x[i+ 7], 10, 1126891415)  
//   c = ii(c, d, a, b, x[i+14], 15, -1416354905)  
//   b = ii(b, c, d, a, x[i+ 5], 21, -57434055)  
//   a = ii(a, b, c, d, x[i+12], 6 , 1700485571)  
//   d = ii(d, a, b, c, x[i+ 3], 10, -1894986606)  
//   c = ii(c, d, a, b, x[i+10], 15, -1051523)  
//   b = ii(b, c, d, a, x[i+ 1], 21, -2054922799)  
//   a = ii(a, b, c, d, x[i+ 8], 6 , 1873313359)  
//   d = ii(d, a, b, c, x[i+15], 10, -30611744)  
//   c = ii(c, d, a, b, x[i+ 6], 15, -1560198380)  
//   b = ii(b, c, d, a, x[i+13], 21, 1309151649)  
//   a = ii(a, b, c, d, x[i+ 4], 6 , -145523070)  
//   d = ii(d, a, b, c, x[i+11], 10, -1120210379)  
//   c = ii(c, d, a, b, x[i+ 2], 15, 718787259)  
//   b = ii(b, c, d, a, x[i+ 9], 21, -343485551)  
  
//   a = safe_add(a, olda)  
//   b = safe_add(b, oldb)  
//   c = safe_add(c, oldc)  
//   d = safe_add(d, oldd)  
//  }  
//  return [a, b, c, d]  
// }  
  
// /* 
//  * Convert an array of little-endian words to a hex string. 
//  */  
// function binl2hex(binarray)  
// {  
//  var hex_tab = "0123456789abcdef"  
//  var str = ""  
//  for(var i = 0; i < binarray.length * 4; i++)  
//  {  
//   str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) +  
//       hex_tab.charAt((binarray[i>>2] >> ((i%4)*8)) & 0xF)  
//  }  
//  return str  
// }  
  
// /* 
//  * Convert an array of little-endian words to a base64 encoded string. 
//  */  
// function binl2b64(binarray)  
// {  
//  var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"  
//  var str = ""  
//  for(var i = 0; i < binarray.length * 32; i += 6)  
//  {  
//   str += tab.charAt(((binarray[i>>5] << (i%32)) & 0x3F) |  
//            ((binarray[i>>5+1] >> (32-i%32)) & 0x3F))  
//  }  
//  return str  
// }  
  
// /* 
//  * Convert an 8-bit character string to a sequence of 16-word blocks, stored 
//  * as an array, and append appropriate padding for MD4/5 calculation. 
//  * If any of the characters are >255, the high byte is silently ignored. 
//  */  
// function str2binl(str)  
// {  
//  var nblk = ((str.length + 8) >> 6) + 1 // number of 16-word blocks  
//  var blks = new Array(nblk * 16)  
//  for(var i = 0; i < nblk * 16; i++) blks[i] = 0  
//  for(var i = 0; i < str.length; i++)  
//   blks[i>>2] |= (str.charCodeAt(i) & 0xFF) << ((i%4) * 8)  
//  blks[i>>2] |= 0x80 << ((i%4) * 8)  
//  blks[nblk*16-2] = str.length * 8  
//  return blks  
// }  
  
// /* 
//  * Convert a wide-character string to a sequence of 16-word blocks, stored as 
//  * an array, and append appropriate padding for MD4/5 calculation. 
//  */  
// function strw2binl(str)  
// {  
//  var nblk = ((str.length + 4) >> 5) + 1 // number of 16-word blocks  
//  var blks = new Array(nblk * 16)  
//  for(var i = 0; i < nblk * 16; i++) blks[i] = 0  
//  for(var i = 0; i < str.length; i++)  
//   blks[i>>1] |= str.charCodeAt(i) << ((i%2) * 16)  
//  blks[i>>1] |= 0x80 << ((i%2) * 16)  
//  blks[nblk*16-2] = str.length * 16  
//  return blks  
// }  
  
// /* 
//  * External interface 
//  */  
// function hexMD5 (str) { return binl2hex(coreMD5( str2binl(str))) }  
// function hexMD5w(str) { return binl2hex(coreMD5(strw2binl(str))) }  
// function b64MD5 (str) { return binl2b64(coreMD5( str2binl(str))) }  
// function b64MD5w(str) { return binl2b64(coreMD5(strw2binl(str))) }  
// /* Backward compatibility */  
// function calcMD5(str) { return binl2hex(coreMD5( str2binl(str))) }  
// module.exports = {  
//  hexMD5: hexMD5  
// }





function md5Fun(string) {
    var x = Array();
    var k, AA, BB, CC, DD, a, b, c, d;
    var S11 = 7, S12 = 12, S13 = 17, S14 = 22;
    var S21 = 5, S22 = 9, S23 = 14, S24 = 20;
    var S31 = 4, S32 = 11, S33 = 16, S34 = 23;
    var S41 = 6, S42 = 10, S43 = 15, S44 = 21;
    string = Utf8Encode(string);
    x = ConvertToWordArray(string);
    a = 0x67452301;
    b = 0xEFCDAB89;
    c = 0x98BADCFE;
    d = 0x10325476;
    for (k = 0; k < x.length; k += 16) {
        AA = a;
        BB = b;
        CC = c;
        DD = d;
        a = FF(a, b, c, d, x[k + 0], S11, 0xD76AA478);
        d = FF(d, a, b, c, x[k + 1], S12, 0xE8C7B756);
        c = FF(c, d, a, b, x[k + 2], S13, 0x242070DB);
        b = FF(b, c, d, a, x[k + 3], S14, 0xC1BDCEEE);
        a = FF(a, b, c, d, x[k + 4], S11, 0xF57C0FAF);
        d = FF(d, a, b, c, x[k + 5], S12, 0x4787C62A);
        c = FF(c, d, a, b, x[k + 6], S13, 0xA8304613);
        b = FF(b, c, d, a, x[k + 7], S14, 0xFD469501);
        a = FF(a, b, c, d, x[k + 8], S11, 0x698098D8);
        d = FF(d, a, b, c, x[k + 9], S12, 0x8B44F7AF);
        c = FF(c, d, a, b, x[k + 10], S13, 0xFFFF5BB1);
        b = FF(b, c, d, a, x[k + 11], S14, 0x895CD7BE);
        a = FF(a, b, c, d, x[k + 12], S11, 0x6B901122);
        d = FF(d, a, b, c, x[k + 13], S12, 0xFD987193);
        c = FF(c, d, a, b, x[k + 14], S13, 0xA679438E);
        b = FF(b, c, d, a, x[k + 15], S14, 0x49B40821);
        a = GG(a, b, c, d, x[k + 1], S21, 0xF61E2562);
        d = GG(d, a, b, c, x[k + 6], S22, 0xC040B340);
        c = GG(c, d, a, b, x[k + 11], S23, 0x265E5A51);
        b = GG(b, c, d, a, x[k + 0], S24, 0xE9B6C7AA);
        a = GG(a, b, c, d, x[k + 5], S21, 0xD62F105D);
        d = GG(d, a, b, c, x[k + 10], S22, 0x2441453);
        c = GG(c, d, a, b, x[k + 15], S23, 0xD8A1E681);
        b = GG(b, c, d, a, x[k + 4], S24, 0xE7D3FBC8);
        a = GG(a, b, c, d, x[k + 9], S21, 0x21E1CDE6);
        d = GG(d, a, b, c, x[k + 14], S22, 0xC33707D6);
        c = GG(c, d, a, b, x[k + 3], S23, 0xF4D50D87);
        b = GG(b, c, d, a, x[k + 8], S24, 0x455A14ED);
        a = GG(a, b, c, d, x[k + 13], S21, 0xA9E3E905);
        d = GG(d, a, b, c, x[k + 2], S22, 0xFCEFA3F8);
        c = GG(c, d, a, b, x[k + 7], S23, 0x676F02D9);
        b = GG(b, c, d, a, x[k + 12], S24, 0x8D2A4C8A);
        a = HH(a, b, c, d, x[k + 5], S31, 0xFFFA3942);
        d = HH(d, a, b, c, x[k + 8], S32, 0x8771F681);
        c = HH(c, d, a, b, x[k + 11], S33, 0x6D9D6122);
        b = HH(b, c, d, a, x[k + 14], S34, 0xFDE5380C);
        a = HH(a, b, c, d, x[k + 1], S31, 0xA4BEEA44);
        d = HH(d, a, b, c, x[k + 4], S32, 0x4BDECFA9);
        c = HH(c, d, a, b, x[k + 7], S33, 0xF6BB4B60);
        b = HH(b, c, d, a, x[k + 10], S34, 0xBEBFBC70);
        a = HH(a, b, c, d, x[k + 13], S31, 0x289B7EC6);
        d = HH(d, a, b, c, x[k + 0], S32, 0xEAA127FA);
        c = HH(c, d, a, b, x[k + 3], S33, 0xD4EF3085);
        b = HH(b, c, d, a, x[k + 6], S34, 0x4881D05);
        a = HH(a, b, c, d, x[k + 9], S31, 0xD9D4D039);
        d = HH(d, a, b, c, x[k + 12], S32, 0xE6DB99E5);
        c = HH(c, d, a, b, x[k + 15], S33, 0x1FA27CF8);
        b = HH(b, c, d, a, x[k + 2], S34, 0xC4AC5665);
        a = II(a, b, c, d, x[k + 0], S41, 0xF4292244);
        d = II(d, a, b, c, x[k + 7], S42, 0x432AFF97);
        c = II(c, d, a, b, x[k + 14], S43, 0xAB9423A7);
        b = II(b, c, d, a, x[k + 5], S44, 0xFC93A039);
        a = II(a, b, c, d, x[k + 12], S41, 0x655B59C3);
        d = II(d, a, b, c, x[k + 3], S42, 0x8F0CCC92);
        c = II(c, d, a, b, x[k + 10], S43, 0xFFEFF47D);
        b = II(b, c, d, a, x[k + 1], S44, 0x85845DD1);
        a = II(a, b, c, d, x[k + 8], S41, 0x6FA87E4F);
        d = II(d, a, b, c, x[k + 15], S42, 0xFE2CE6E0);
        c = II(c, d, a, b, x[k + 6], S43, 0xA3014314);
        b = II(b, c, d, a, x[k + 13], S44, 0x4E0811A1);
        a = II(a, b, c, d, x[k + 4], S41, 0xF7537E82);
        d = II(d, a, b, c, x[k + 11], S42, 0xBD3AF235);
        c = II(c, d, a, b, x[k + 2], S43, 0x2AD7D2BB);
        b = II(b, c, d, a, x[k + 9], S44, 0xEB86D391);
        a = AddUnsigned(a, AA);
        b = AddUnsigned(b, BB);
        c = AddUnsigned(c, CC);
        d = AddUnsigned(d, DD);
    }
    var temp = WordToHex(a) + WordToHex(b) + WordToHex(c) + WordToHex(d);
    return temp.toUpperCase();
}
function RotateLeft(lValue, iShiftBits) {
    return (lValue << iShiftBits) | (lValue >>> (32 - iShiftBits));
}
function AddUnsigned(lX, lY) {
    var lX4, lY4, lX8, lY8, lResult;
    lX8 = (lX & 0x80000000);
    lY8 = (lY & 0x80000000);
    lX4 = (lX & 0x40000000);
    lY4 = (lY & 0x40000000);
    lResult = (lX & 0x3FFFFFFF) + (lY & 0x3FFFFFFF);
    if (lX4 & lY4) {
        return (lResult ^ 0x80000000 ^ lX8 ^ lY8);
    }
    if (lX4 | lY4) {
        if (lResult & 0x40000000) {
            return (lResult ^ 0xC0000000 ^ lX8 ^ lY8);
        } else {
            return (lResult ^ 0x40000000 ^ lX8 ^ lY8);
        }
    } else {
        return (lResult ^ lX8 ^ lY8);
    }
}
function F(x, y, z) {
    return (x & y) | ((~x) & z);
}
function G(x, y, z) {
    return (x & z) | (y & (~z));
}
function H(x, y, z) {
    return (x ^ y ^ z);
}
function I(x, y, z) {
    return (y ^ (x | (~z)));
}
function FF(a, b, c, d, x, s, ac) {
    a = AddUnsigned(a, AddUnsigned(AddUnsigned(F(b, c, d), x), ac));
    return AddUnsigned(RotateLeft(a, s), b);
}
function GG(a, b, c, d, x, s, ac) {
    a = AddUnsigned(a, AddUnsigned(AddUnsigned(G(b, c, d), x), ac));
    return AddUnsigned(RotateLeft(a, s), b);
}
function HH(a, b, c, d, x, s, ac) {
    a = AddUnsigned(a, AddUnsigned(AddUnsigned(H(b, c, d), x), ac));
    return AddUnsigned(RotateLeft(a, s), b);
}
function II(a, b, c, d, x, s, ac) {
    a = AddUnsigned(a, AddUnsigned(AddUnsigned(I(b, c, d), x), ac));
    return AddUnsigned(RotateLeft(a, s), b);
}
function ConvertToWordArray(string) {
    var lWordCount;
    var lMessageLength = string.length;
    var lNumberOfWords_temp1 = lMessageLength + 8;
    var lNumberOfWords_temp2 = (lNumberOfWords_temp1 - (lNumberOfWords_temp1 % 64)) / 64;
    var lNumberOfWords = (lNumberOfWords_temp2 + 1) * 16;
    var lWordArray = Array(lNumberOfWords - 1);
    var lBytePosition = 0;
    var lByteCount = 0;
    while (lByteCount < lMessageLength) {
        lWordCount = (lByteCount - (lByteCount % 4)) / 4;
        lBytePosition = (lByteCount % 4) * 8;
        lWordArray[lWordCount] = (lWordArray[lWordCount] | (string.charCodeAt(lByteCount) << lBytePosition));
        lByteCount++;
    }
    lWordCount = (lByteCount - (lByteCount % 4)) / 4;
    lBytePosition = (lByteCount % 4) * 8;
    lWordArray[lWordCount] = lWordArray[lWordCount] | (0x80 << lBytePosition);
    lWordArray[lNumberOfWords - 2] = lMessageLength << 3;
    lWordArray[lNumberOfWords - 1] = lMessageLength >>> 29;
    return lWordArray;
}
function WordToHex(lValue) {
    var WordToHexValue = "", WordToHexValue_temp = "", lByte, lCount;
    for (lCount = 0; lCount <= 3; lCount++) {
        lByte = (lValue >>> (lCount * 8)) & 255;
        WordToHexValue_temp = "0" + lByte.toString(16);
        WordToHexValue = WordToHexValue + WordToHexValue_temp.substr(WordToHexValue_temp.length - 2, 2);
    }
    return WordToHexValue;
}
function Utf8Encode(string) {
    var utftext = "";
    for (var n = 0; n < string.length; n++) {
        var c = string.charCodeAt(n);
        if (c < 128) {
            utftext += String.fromCharCode(c);
        } else if ((c > 127) && (c < 2048)) {
            utftext += String.fromCharCode((c >> 6) | 192);
            utftext += String.fromCharCode((c & 63) | 128);
        } else {
            utftext += String.fromCharCode((c >> 12) | 224);
            utftext += String.fromCharCode(((c >> 6) & 63) | 128);
            utftext += String.fromCharCode((c & 63) | 128);
        }
    }
    return utftext;
} 
module.exports = {  
 md5Fun: md5Fun  
}
